When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Cold water weighs more than hot water.
93
According to studies, men change their minds two to three times more often than women.
72
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117